/* --- Premium E-Magazine CSS Design System --- */
:root {
    /* Color Palette */
    --color-primary: #0c3b2e;      /* Deep Tea Green / Shan tuyết green */
    --color-primary-dark: #07271e; /* Darker tone for rich contrast */
    --color-secondary: #6d9773;    /* Sage/Teal Green for subtitles/accentuation */
    --color-secondary-light: rgba(109, 151, 115, 0.15);
    --color-accent-gold: #d4af37;  /* Luxury Gold / Shan tuyết tea yellow */
    --color-accent-copper: #bb8a52;/* Metallic copper accent */
    --color-bg-light: #f4f6f4;     /* Crisp light background */
    --color-white: #ffffff;
    --color-text-dark: #112a22;    /* Soft dark color for readability */
    --color-text-muted: #536961;   /* Medium text gray-green */
    --color-glass-bg: rgba(255, 255, 255, 0.7);
    --color-glass-border: rgba(255, 255, 255, 0.4);
    
    /* Layout & Spaces */
    --container-max-width: 1200px;
    --paragraph-max-width: 760px;
    --font-heading: 'Encode Sans', sans-serif;
    --font-body: 'Encode Sans', sans-serif;
    
    /* Transitions */
    --transition-smooth: all 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-quick: all 0.2s ease-in-out;
}

/* Base resets & styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--color-bg-light);
    color: var(--color-text-dark);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
}

body {
    overflow-x: hidden;
    line-height: 1.8;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--color-primary-dark);
}
::-webkit-scrollbar-thumb {
    background: var(--color-accent-gold);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent-copper);
}

/* Utilities */
.container {
    width: 90%;
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.max-w-paragraph {
    max-width: var(--paragraph-max-width);
}

.py-large {
    padding: 100px 0;
}

.py-medium {
    padding: 60px 0;
}

.text-center {
    text-align: center;
}

/* Scroll Progress Bar */
#scroll-progress-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    z-index: 1000;
}

#scroll-progress-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--color-secondary), var(--color-accent-gold));
    transition: width 0.1s ease-out;
}

/* Navigation bar */
.magazine-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(12, 59, 46, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
    z-index: 99;
    padding: 15px 0;
    transition: var(--transition-smooth);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: center;
}

.magazine-logo {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--color-white);
    letter-spacing: 2px;
}

.magazine-logo span {
    color: var(--color-accent-gold);
}

.nav-divider {
    width: 1px;
    height: 20px;
    background: rgba(255, 255, 255, 0.3);
    margin: 0 15px;
}

.magazine-tagline {
    font-size: 0.8rem;
    letter-spacing: 3px;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
    text-transform: uppercase;
}

/* HERO HEADER STYLE */
.hero-section {
    position: relative;
    height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    overflow: hidden;
}

.hero-bg-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-parallax-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 110%; /* Extra height for parallax */
    background-size: cover;
    background-position: center;
    transform: translateY(0);
    will-change: transform;
}

.hero-overlay-dark {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(7, 39, 30, 0.4), rgba(7, 39, 30, 0.85));
}

.hero-overlay-graphics {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.contour-svg {
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 40%;
    opacity: 0.8;
}

/* Floating Elements (Line-art & Badges) */
.floating-icon {
    position: absolute;
    color: rgba(212, 175, 55, 0.55);
    font-size: 2.2rem;
    filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.3));
    animation: floatAnimation 6s ease-in-out infinite alternate;
}

.floating-icon span.txt-icon {
    font-family: var(--font-heading);
    font-weight: 700;
    border: 2px solid rgba(212, 175, 55, 0.5);
    border-radius: 50%;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-icon span.txt-badge {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 6px 12px;
    background: rgba(12, 59, 46, 0.6);
    border: 1px solid rgba(212, 175, 55, 0.5);
    border-radius: 20px;
    color: var(--color-accent-gold);
}

.icon-blockchain { animation-delay: 0s; }
.icon-brand { animation-delay: 1s; }
.icon-qr { animation-delay: 2s; }
.icon-trademark { animation-delay: 1.5s; }
.icon-ocop { animation-delay: 3s; }
.icon-vietgap { animation-delay: 2.5s; }
.icon-chain { animation-delay: 0.5s; }

@keyframes floatAnimation {
    0% { transform: translateY(0) rotate(0deg); }
    100% { transform: translateY(-20px) rotate(8deg); }
}

.hero-content-wrapper {
    position: relative;
    z-index: 10;
    text-align: center;
    width: 100%;
    margin-top: 60px;
}

.hero-badge {
    display: inline-block;
    font-size: 0.85rem;
    letter-spacing: 4px;
    color: var(--color-accent-gold);
    text-transform: uppercase;
    font-weight: 700;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--color-accent-gold);
}

.hero-title {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: clamp(2.2rem, 5vw, 4.2rem);
    line-height: 1.2;
    margin-bottom: 25px;
    color: var(--color-white);
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-family: var(--font-body);
    font-weight: 300;
    font-size: clamp(1.1rem, 2vw, 1.6rem);
    color: rgba(255, 255, 255, 0.9);
    max-w: 800px;
    margin: 0 auto 50px auto;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    letter-spacing: 0.5px;
}

.hero-meta {
    display: flex;
    justify-content: center;
    gap: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    max-w: 500px;
    margin: 0 auto;
    padding-top: 25px;
}

.meta-label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 2px;
    margin-bottom: 5px;
}

.author-name, .time-value {
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.author-name {
    color: var(--color-accent-gold);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    text-align: center;
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
}

.scroll-arrow {
    margin-top: 8px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* SECTION INTRO & DROP CAP */
.section-intro {
    background-color: var(--color-bg-light);
    position: relative;
    z-index: 10;
}

.article-text-lead {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-primary);
    line-height: 1.7;
    margin-bottom: 30px;
}

.drop-cap {
    font-family: var(--font-heading);
    font-size: 4.8rem;
    float: left;
    line-height: 0.8;
    padding-right: 15px;
    padding-top: 4px;
    font-weight: 800;
    color: var(--color-accent-gold);
}

.article-text {
    font-size: 1.15rem;
    color: var(--color-text-dark);
    margin-bottom: 25px;
    text-align: justify;
}

/* INFOGRAPHIC BOX STYLE (Glassmorphism & Line-Art Accent) */
.infographic-box {
    background: var(--color-white);
    border-radius: 24px;
    padding: 50px 40px;
    box-shadow: 0 20px 40px rgba(7, 39, 30, 0.05);
    border: 1px solid rgba(12, 59, 46, 0.08);
    position: relative;
    overflow: hidden;
}

.info-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--color-accent-copper);
    text-transform: uppercase;
    margin-bottom: 12px;
}

.info-title {
    font-family: var(--font-heading);
    font-size: 1.85rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.info-desc {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin-bottom: 40px;
}

/* GLASSMORPHISM CARD DEF */
.Glassmorphism {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 8px 32px 0 rgba(7, 39, 30, 0.05);
}

/* MAP AND TIMELINE LAYOUT (INFO INTRO) */
.info-intro-layout {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    align-items: center;
}

.map-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.map-bg-glow {
    position: absolute;
    width: 250px;
    height: 250px;
    background: var(--color-secondary-light);
    border-radius: 50%;
    filter: blur(60px);
    z-index: 1;
}

.tuyenquang-map {
    width: 100%;
    max-height: 480px;
    z-index: 2;
}

.map-province-shape {
    fill: var(--color-bg-light);
    stroke: rgba(12, 59, 46, 0.15);
    stroke-width: 2;
    transition: var(--transition-smooth);
}

.map-pin {
    cursor: pointer;
}

.pin-pulse {
    fill: var(--color-accent-gold);
    opacity: 0.3;
    transform-origin: center;
    animation: pulseAnimation 2s infinite;
}

.pin-core {
    fill: var(--color-accent-gold);
    transition: var(--transition-quick);
}

.pin-label {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 700;
    fill: var(--color-primary);
    opacity: 0.8;
    transition: var(--transition-quick);
}

.map-pin:hover .pin-core, .map-pin.active .pin-core {
    fill: var(--color-primary);
    r: 8px;
}

.map-pin:hover .pin-label, .map-pin.active .pin-label {
    opacity: 1;
    font-size: 0.8rem;
    font-weight: 800;
}

@keyframes pulseAnimation {
    0% { r: 6px; opacity: 0.7; }
    100% { r: 20px; opacity: 0; }
}

.map-detail-card {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    border-radius: 16px;
    z-index: 10;
    transition: var(--transition-smooth);
    transform: translateY(10px);
    opacity: 0;
}

.map-detail-card.show {
    transform: translateY(0);
    opacity: 1;
}

.map-detail-card h4 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    font-size: 1.15rem;
    margin-bottom: 8px;
}

.map-detail-card p {
    font-size: 0.85rem;
    color: var(--color-text-dark);
    margin-bottom: 12px;
    line-height: 1.6;
}

.region-highlight {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-accent-copper);
}

/* STATS TIMELINE FLOW */
.stats-flow-wrapper {
    position: relative;
    padding-left: 20px;
}

.stats-flow-line {
    position: absolute;
    left: 45px;
    top: 20px;
    bottom: 20px;
    width: 2px;
    background: dashed rgba(12, 59, 46, 0.15);
    z-index: 1;
}

.stats-flow-item {
    display: flex;
    align-items: center;
    gap: 20px;
    position: relative;
    z-index: 2;
}

.stats-circle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-accent-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 4px 12px rgba(12, 59, 46, 0.15);
    border: 2px solid var(--color-accent-gold);
}

.stats-content {
    background: var(--color-bg-light);
    padding: 15px 25px;
    border-radius: 16px;
    flex-grow: 1;
    border: 1px solid rgba(12, 59, 46, 0.05);
    transition: var(--transition-smooth);
}

.stats-flow-item:hover .stats-content {
    transform: translateX(10px);
    background: var(--color-white);
    border-color: var(--color-accent-gold);
    box-shadow: 0 8px 20px rgba(12, 59, 46, 0.05);
}

.stats-number {
    font-family: var(--font-heading);
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1.1;
    margin-bottom: 4px;
}

.stats-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

.stats-flow-arrow {
    text-align: center;
    margin-left: 20px;
    color: var(--color-secondary);
    font-size: 1rem;
    opacity: 0.6;
}

/* PARALLAX TIT XEN */
.tit-xen-section {
    position: relative;
    height: 450px;
    width: 100%;
    display: flex;
    align-items: center;
    overflow: hidden;
    color: var(--color-white);
}

.tit-xen-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 120%; /* For parallax offset */
    background-size: cover;
    background-position: center;
    will-change: transform;
}

.tit-xen-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(7, 39, 30, 0.95), rgba(7, 39, 30, 0.4));
}

.tit-xen-section .container {
    position: relative;
    z-index: 10;
    padding-left: 50px;
}

.chapter-num {
    font-size: 0.9rem;
    letter-spacing: 5px;
    color: var(--color-accent-gold);
    font-weight: 700;
    margin-bottom: 15px;
    text-transform: uppercase;
}

.tit-xen-title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.3;
    max-w: 800px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.chapter-content {
    background-color: var(--color-bg-light);
    position: relative;
    z-index: 10;
}

/* INFOGRAPHIC 1: HTX SƠN TRÀ FLOW */
.sontra-flow-container {
    display: flex;
    overflow-x: auto;
    padding: 30px 10px;
    gap: 15px;
    align-items: center;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
    scrollbar-color: var(--color-secondary) var(--color-bg-light);
}

.flow-step {
    flex: 0 0 220px;
    scroll-snap-align: start;
    background: var(--color-bg-light);
    padding: 25px 20px;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(12, 59, 46, 0.05);
    transition: var(--transition-smooth);
    min-height: 250px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.flow-step:hover {
    transform: translateY(-10px);
    background: var(--color-white);
    box-shadow: 0 15px 30px rgba(12, 59, 46, 0.08);
    border-color: var(--color-secondary);
}

.flow-icon {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 15px;
    transition: var(--transition-smooth);
}

.flow-step:hover .flow-icon {
    color: var(--color-accent-gold);
    transform: scale(1.1);
}

.flow-step-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.flow-step-desc {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.flow-connector {
    color: var(--color-secondary);
    font-size: 1.2rem;
    opacity: 0.5;
}

.highlight-green {
    background: linear-gradient(135deg, var(--color-primary), #114e3d);
    color: var(--color-white);
    border-color: var(--color-accent-gold);
}

.highlight-green .flow-step-title,
.highlight-green .flow-icon {
    color: var(--color-accent-gold);
}

.highlight-green .flow-step-desc {
    color: rgba(255, 255, 255, 0.85);
}

.highlight-gold {
    background: linear-gradient(135deg, var(--color-accent-gold), #b39124);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.highlight-gold .flow-step-title,
.highlight-gold .flow-icon {
    color: var(--color-primary);
}

.highlight-gold .flow-step-desc {
    color: rgba(255, 255, 255, 0.9);
}

/* INFOGRAPHIC 2: PEOPLE CARDS */
.people-card-layout {
    display: grid;
    grid-template-columns: 1fr 0.3fr 1fr;
    gap: 30px;
    align-items: center;
}

.people-card {
    padding: 35px;
    border-radius: 20px;
    transition: var(--transition-smooth);
}

.people-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 45px rgba(7, 39, 30, 0.08);
}

.border-gold {
    border-top: 5px solid var(--color-accent-gold);
}

.border-green {
    border-top: 5px solid var(--color-secondary);
}

.people-card-head {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
}

.people-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--color-secondary-light);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.people-card-head h4 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--color-primary);
}

.people-card-head p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.people-stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.p-stat {
    display: flex;
    flex-direction: column;
}

.p-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--color-text-muted);
    letter-spacing: 1px;
    margin-bottom: 6px;
}

.p-label i {
    color: var(--color-secondary);
    margin-right: 5px;
}

.p-val {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-primary);
}

.p-val small {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--color-text-dark);
}

.p-divider {
    height: 1px;
    background: rgba(12, 59, 46, 0.1);
    margin: 20px 0;
}

.p-income {
    text-align: center;
}

.p-val-large {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.1rem;
    font-weight: 800;
    color: var(--color-accent-copper);
    line-height: 1.1;
    margin-top: 5px;
}

.highlight-txt-green {
    color: var(--color-primary) !important;
}

.p-val-large small {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-muted);
}

.people-context {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--color-text-dark);
}

.linking-bridge {
    text-align: center;
}

.link-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--color-white);
    color: var(--color-accent-gold);
    border: 2px dashed var(--color-accent-gold);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 15px;
    animation: rotateDashed 10s linear infinite;
}

@keyframes rotateDashed {
    100% { transform: rotate(360deg); }
}

.linking-bridge p {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1.4;
}

/* PULL QUOTE STYLE */
.pull-quote {
    max-w: var(--paragraph-max-width);
    margin: 50px auto;
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    position: relative;
    border-left: 4px solid var(--color-accent-gold);
}

.quote-icon {
    font-size: 2.5rem;
    color: rgba(212, 175, 55, 0.25);
    position: absolute;
    top: 15px;
    left: 30px;
}

.quote-text {
    font-family: var(--font-heading);
    font-size: 1.45rem;
    line-height: 1.7;
    font-style: italic;
    color: var(--color-primary);
    position: relative;
    z-index: 2;
}

.quote-border {
    margin: 20px auto 0 auto;
    width: 80px;
    height: 3px;
    background: var(--color-accent-gold);
}

/* INFOGRAPHIC 3: IP DASHBOARD */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.db-card {
    background: var(--color-bg-light);
    padding: 30px 25px;
    border-radius: 20px;
    border: 1px solid rgba(12, 59, 46, 0.04);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.db-card:hover {
    transform: translateY(-5px);
    background: var(--color-white);
    border-color: var(--color-accent-gold);
    box-shadow: 0 15px 30px rgba(12, 59, 46, 0.06);
}

.db-card-icon {
    font-size: 1.8rem;
    color: var(--color-secondary);
    margin-bottom: 20px;
}

.db-card:hover .db-card-icon {
    color: var(--color-accent-gold);
}

.db-card-value {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1.1;
    margin-bottom: 8px;
}

.db-card-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-muted);
}

/* INFOGRAPHIC 4: VALUE CHAIN TREE */
.value-chain-tree {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-w: 600px;
    margin: 0 auto;
}

.tree-node {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--color-bg-light);
    padding: 15px 25px;
    border-radius: 16px;
    width: 100%;
    border: 1px solid rgba(12, 59, 46, 0.05);
    transition: var(--transition-smooth);
}

.tree-node:hover {
    transform: scale(1.03);
    background: var(--color-white);
    box-shadow: 0 10px 25px rgba(12, 59, 46, 0.06);
}

.node-icon {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--color-white);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: 0 4px 10px rgba(12, 59, 46, 0.05);
}

.tree-node:hover .node-icon {
    background: var(--color-primary);
    color: var(--color-accent-gold);
}

.node-icon span.txt-icon {
    font-weight: 700;
}

.node-info h5 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    color: var(--color-primary);
    margin-bottom: 2px;
}

.node-info p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.tree-line {
    width: 2px;
    height: 30px;
    background: linear-gradient(to bottom, var(--color-accent-gold), var(--color-secondary));
}

.highlight-red {
    border-left: 4px solid #c94a29 !important;
}

.highlight-red .node-icon {
    color: #c94a29;
}

.highlight-red:hover .node-icon {
    background: #c94a29;
    color: var(--color-white);
}

/* INFOGRAPHIC 5: HTX PO MỶ MODEL */
.pomy-layout {
    display: grid;
    grid-template-columns: 1fr 0.2fr 1.2fr;
    gap: 30px;
    align-items: center;
}

.pomy-structure {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.pomy-struct-card {
    padding: 25px;
    border-radius: 20px;
    text-align: center;
    border-left: 4px solid var(--color-primary);
}

.p-struct-icon {
    font-size: 1.8rem;
    color: var(--color-secondary);
    margin-bottom: 12px;
}

.p-struct-value {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1.1;
    margin-bottom: 5px;
}

.p-struct-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.pomy-struct-line {
    text-align: center;
    color: var(--color-accent-copper);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.pomy-flow-arrow-right {
    text-align: center;
    font-size: 1.8rem;
    color: var(--color-accent-gold);
}

.pomy-outputs {
    background: var(--color-bg-light);
    padding: 35px;
    border-radius: 24px;
    border: 1px solid rgba(12, 59, 46, 0.05);
}

.output-title {
    font-family: var(--font-heading);
    color: var(--color-primary);
    font-size: 1.2rem;
    margin-bottom: 25px;
    text-align: center;
}

.output-grid {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.output-item {
    background: var(--color-white);
    padding: 15px 25px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.02);
}

.out-icon {
    font-size: 1.5rem;
    color: var(--color-secondary);
}

.out-value {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-primary);
}

.out-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.pomy-revenue {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 25px;
    border-radius: 16px;
    border-left: 4px solid var(--color-accent-gold);
    margin-top: 25px;
}

.rev-icon {
    font-size: 2rem;
    color: var(--color-accent-gold);
}

.rev-label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.rev-val {
    font-family: var(--font-heading);
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--color-primary);
}

.rev-val small {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
}

/* INFOGRAPHIC 6: DIGITAL ECOSYSTEM */
.digital-ecosystem {
    position: relative;
    width: 450px;
    height: 450px;
    margin: 50px auto;
}

.eco-connections {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.eco-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 4px solid var(--color-accent-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    box-shadow: 0 10px 25px rgba(12, 59, 46, 0.25);
    animation: pulseGlow 3s infinite alternate;
}

@keyframes pulseGlow {
    0% { box-shadow: 0 10px 25px rgba(12, 59, 46, 0.25), 0 0 0 0px rgba(212, 175, 55, 0.3); }
    100% { box-shadow: 0 10px 25px rgba(12, 59, 46, 0.25), 0 0 20px 10px rgba(212, 175, 55, 0); }
}

.eco-center-inner {
    text-align: center;
    color: var(--color-white);
}

.eco-center-inner i {
    font-size: 1.8rem;
    color: var(--color-accent-gold);
    margin-bottom: 5px;
}

.eco-center-inner span {
    display: block;
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 2px;
}

.eco-orbit-node {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: var(--color-white);
    border: 2px solid var(--color-secondary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 5;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transform: translate(-50%, -50%) rotate(var(--angle)) translate(var(--radius)) rotate(calc(-1 * var(--angle)));
    transition: var(--transition-smooth);
}

.eco-orbit-node:hover {
    transform: translate(-50%, -50%) rotate(var(--angle)) translate(var(--radius)) scale(1.15) rotate(calc(-1 * var(--angle)));
    border-color: var(--color-accent-gold);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.15);
}

.orbit-icon {
    font-size: 1.25rem;
    color: var(--color-primary);
}

.orbit-label {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--color-text-muted);
    margin-top: 3px;
}

.eco-footer-labels {
    margin-top: 30px;
}

.eco-end-user {
    display: inline-block;
    padding: 8px 20px;
    background: var(--color-secondary-light);
    color: var(--color-primary);
    font-weight: 700;
    font-size: 0.85rem;
    border-radius: 20px;
    border: 1px solid rgba(109, 151, 115, 0.3);
}

/* INFOGRAPHIC 7: LIVESTREAM SMARTPHONE MOCKUP */
.livestream-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    align-items: center;
    max-w: 800px;
    margin: 0 auto;
}

.smartphone-mockup {
    width: 290px;
    height: 580px;
    background: #000;
    border-radius: 40px;
    padding: 12px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15), inset 0 0 3px 2px rgba(255, 255, 255, 0.2);
    margin: 0 auto;
    position: relative;
    border: 4px solid #333;
}

.phone-speaker {
    width: 60px;
    height: 4px;
    background: #555;
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 15;
}

.phone-screen {
    width: 100%;
    height: 100%;
    border-radius: 30px;
    overflow: hidden;
    position: relative;
    background: #111;
}

.live-video-sim {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #184c3e, #0c3b2e, #1e705b);
    position: relative;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.live-indicator {
    position: absolute;
    top: 15px;
    left: 15px;
    background: #c94a29;
    color: var(--color-white);
    font-size: 0.65rem;
    font-weight: 800;
    padding: 3px 8px;
    border-radius: 4px;
    letter-spacing: 0.5px;
}

.live-viewers {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(0, 0, 0, 0.4);
    color: var(--color-white);
    font-size: 0.65rem;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 4px;
}

.live-host {
    margin-top: 25px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.host-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-accent-gold);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
}

.host-name {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.2;
}

.host-name small {
    display: block;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.6rem;
}

.live-overlay-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    margin-bottom: 95px;
}

.live-comments {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 120px;
    overflow: hidden;
}

.comment-item {
    font-size: 0.7rem;
    background: rgba(0, 0, 0, 0.35);
    padding: 6px 12px;
    border-radius: 12px;
    color: var(--color-white);
    animation: slideComment 4s linear infinite;
}

@keyframes slideComment {
    0% { transform: translateY(20px); opacity: 0; }
    15% { transform: translateY(0); opacity: 1; }
    85% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(-20px); opacity: 0; }
}

.live-hearts {
    position: absolute;
    bottom: 95px;
    right: 15px;
    width: 30px;
    height: 100px;
}

.live-hearts i {
    position: absolute;
    bottom: 0;
    color: #c94a29;
    font-size: 1.2rem;
    opacity: 0;
}

.heart-1 { animation: floatHeart 2.5s infinite; left: 0px; }
.heart-2 { animation: floatHeart 3s infinite 0.7s; left: 10px; }
.heart-3 { animation: floatHeart 2.2s infinite 1.4s; left: 5px; }

@keyframes floatHeart {
    0% { transform: translateY(0) scale(0.8); opacity: 0; }
    20% { opacity: 0.8; }
    100% { transform: translateY(-80px) scale(1.2); opacity: 0; }
}

.live-product-card {
    position: absolute;
    bottom: 15px;
    left: 15px;
    right: 15px;
    padding: 10px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.live-product-card .p-img {
    width: 38px;
    height: 38px;
    background: var(--color-accent-gold);
    color: var(--color-primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.live-product-card h5 {
    font-size: 0.7rem;
    color: var(--color-primary);
    font-weight: 700;
}

.p-price {
    font-size: 0.6rem;
    color: var(--color-accent-copper);
    font-weight: 800;
}

.btn-buy {
    font-size: 0.65rem;
    font-weight: 700;
    background: var(--color-primary);
    color: var(--color-accent-gold);
    padding: 6px 12px;
    border-radius: 12px;
    margin-left: auto;
}

.live-stats-details {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.live-stat-card {
    background: var(--color-bg-light);
    padding: 20px 25px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 20px;
    border: 1px solid rgba(12, 59, 46, 0.03);
    transition: var(--transition-smooth);
}

.live-stat-card:hover {
    transform: translateX(10px);
    background: var(--color-white);
    border-color: var(--color-accent-gold);
    box-shadow: 0 8px 20px rgba(12, 59, 46, 0.05);
}

.l-stat-icon {
    font-size: 1.5rem;
    color: var(--color-secondary);
}

.l-stat-value {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--color-primary);
}

.l-stat-label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.bg-highlight-green {
    background: linear-gradient(135deg, var(--color-secondary-light), rgba(109, 151, 115, 0.35)) !important;
}

.bg-highlight-green .l-stat-value {
    color: var(--color-primary);
}

/* INFOGRAPHIC KẾT: 6 PILLARS CIRCLE */
.pillars-container {
    position: relative;
    width: 480px;
    height: 480px;
    margin: 50px auto;
}

.pillar-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 5px solid var(--color-accent-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    box-shadow: 0 10px 30px rgba(12, 59, 46, 0.3);
}

.pillar-core-inner {
    text-align: center;
    color: var(--color-white);
}

.pillar-core-inner span {
    font-size: 0.8rem;
    letter-spacing: 2px;
    color: var(--color-accent-gold);
}

.pillar-core-inner strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 800;
    margin-top: 3px;
}

.pillar-item {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 110px;
    height: 110px;
    border-radius: 50%;
    background: var(--color-white);
    border: 2px solid rgba(12, 59, 46, 0.15);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 10px;
    z-index: 5;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.04);
    transition: var(--transition-smooth);
}

.pillar-item:hover {
    background: var(--color-bg-light);
    border-color: var(--color-accent-gold);
    transform: scale(1.15);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.15);
}

.p-icon {
    font-size: 1.5rem;
    margin-bottom: 4px;
}

.p-name {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.3;
}

/* 6 Coordinates around the center circle */
.p-1 { transform: translate(-50%, -50%) rotate(0deg) translate(175px) rotate(0deg); }
.p-2 { transform: translate(-50%, -50%) rotate(60deg) translate(175px) rotate(-60deg); }
.p-3 { transform: translate(-50%, -50%) rotate(120deg) translate(175px) rotate(-120deg); }
.p-4 { transform: translate(-50%, -50%) rotate(180deg) translate(175px) rotate(-180deg); }
.p-5 { transform: translate(-50%, -50%) rotate(240deg) translate(175px) rotate(-240deg); }
.p-6 { transform: translate(-50%, -50%) rotate(300deg) translate(175px) rotate(-300deg); }

/* FOOTER SECTION DESIGN */
.footer-section {
    position: relative;
    min-height: 80vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    overflow: hidden;
}

.footer-bg-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.footer-parallax-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 120%; /* Offset for parallax */
    background-size: cover;
    background-position: center;
    will-change: transform;
}

.footer-overlay-dark {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(7, 39, 30, 0.95), rgba(7, 39, 30, 0.65));
}

.footer-overlay-graphics {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
    opacity: 0.12; /* Chìm, mờ nhạt */
}

.foot-floating-icon {
    position: absolute;
    color: var(--color-white);
    font-size: 2.5rem;
}

.foot-floating-icon.text-brand {
    font-family: var(--font-heading);
    font-weight: 700;
}

.foot-floating-icon.text-badge {
    font-size: 0.9rem;
    font-weight: 700;
    border: 2px solid var(--color-white);
    padding: 5px 12px;
    border-radius: 20px;
}

/* Arrange foot chìm icons randomly */
.foot-floating-icon:nth-child(1) { top: 15%; left: 8%; }
.foot-floating-icon:nth-child(2) { top: 10%; right: 12%; }
.foot-floating-icon:nth-child(3) { top: 40%; left: 20%; }
.foot-floating-icon:nth-child(4) { top: 35%; right: 25%; }
.foot-floating-icon:nth-child(5) { top: 60%; left: 10%; }
.foot-floating-icon:nth-child(6) { top: 65%; right: 8%; }
.foot-floating-icon:nth-child(7) { bottom: 15%; left: 25%; }
.foot-floating-icon:nth-child(8) { bottom: 20%; right: 28%; }
.foot-floating-icon:nth-child(9) { top: 25%; left: 45%; }

.footer-content-wrapper {
    position: relative;
    z-index: 10;
    width: 100%;
}

.footer-quote {
    font-family: var(--font-heading);
    font-size: clamp(1.4rem, 3.2vw, 2.2rem);
    font-weight: 600;
    line-height: 1.6;
    color: var(--color-white);
    max-w: 900px;
    margin: 0 auto 50px auto;
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
    border-left: none;
    padding: 0;
}

.footer-divider {
    width: 80px;
    height: 4px;
    background: var(--color-accent-gold);
    margin: 0 auto 40px auto;
}

.credit-author {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-accent-gold);
    margin-bottom: 8px;
}

.credit-publication {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 25px;
}

.copyright {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.4);
    letter-spacing: 1px;
}

/* SCROLL INTERSECTION REVEAL ANIMATIONS */
.reveal {
    position: relative;
    transform: translateY(35px);
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.reveal.active {
    transform: translateY(0);
    opacity: 1;
}

/* RESPONSIVE LAYOUTS */
@media (max-width: 992px) {
    .info-intro-layout {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .people-card-layout {
        grid-template-columns: 1fr;
    }
    
    .linking-bridge {
        transform: rotate(90deg);
        margin: 15px 0;
    }
    
    .pomy-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .pomy-flow-arrow-right {
        transform: rotate(90deg);
        margin: 10px 0;
    }
    
    .livestream-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .py-large {
        padding: 60px 0;
    }
    
    .infographic-box {
        padding: 30px 15px;
    }
    
    .tit-xen-section {
        height: 300px;
    }
    
    .tit-xen-section .container {
        padding-left: 20px;
    }
    
    .pull-quote {
        padding: 30px 20px;
    }
    
    .pull-quote .quote-text {
        font-size: 1.2rem;
    }

    /* Tối ưu Bản đồ tương tác trên Mobile */
    .map-wrapper {
        flex-direction: column;
    }
    .map-detail-card {
        position: relative;
        bottom: auto;
        left: auto;
        width: 100%;
        transform: none !important;
        opacity: 1 !important;
        margin-top: 20px;
        box-shadow: 0 4px 20px rgba(7, 39, 30, 0.08);
    }
    .tuyenquang-map {
        max-height: 360px;
    }

    /* Quy trình chuỗi giá trị Sơn Trà dọc trên Mobile */
    .sontra-flow-container {
        flex-direction: column;
        overflow-x: visible;
        scroll-snap-type: none;
        align-items: stretch;
        padding: 20px 0;
    }
    .flow-step {
        flex: 1 1 auto;
        min-height: auto;
        padding: 20px;
    }
    .flow-connector {
        transform: rotate(90deg);
        margin: 10px 0;
    }
    
    .digital-ecosystem {
        width: 320px;
        height: 320px;
        transform: scale(0.9);
        transform-origin: center;
        margin: 20px auto;
    }
    
    .eco-center {
        width: 100px;
        height: 100px;
    }
    
    .eco-orbit-node {
        width: 60px;
        height: 60px;
        --radius: 120px !important;
    }
    
    .eco-connections circle {
        r: 120px;
    }
    
    .eco-connections line {
        /* Re-adjust coordinates on mobile SVG scale */
        display: none; /* Hide visual lines on mobile to avoid mismatch */
    }
    
    .pillars-container {
        width: 340px;
        height: 340px;
        transform: scale(0.9);
        transform-origin: center;
        margin: 20px auto;
    }
    
    .pillar-core {
        width: 110px;
        height: 110px;
    }
    
    .pillar-item {
        width: 80px;
        height: 80px;
        padding: 5px;
    }
    
    .p-icon {
        font-size: 1.15rem;
    }
    
    .p-name {
        font-size: 0.55rem;
    }
    
    /* 6 Coordinates for small screen circle */
    .p-1 { transform: translate(-50%, -50%) rotate(0deg) translate(120px) rotate(0deg); }
    .p-2 { transform: translate(-50%, -50%) rotate(60deg) translate(120px) rotate(-60deg); }
    .p-3 { transform: translate(-50%, -50%) rotate(120deg) translate(120px) rotate(-120deg); }
    .p-4 { transform: translate(-50%, -50%) rotate(180deg) translate(120px) rotate(-180deg); }
    .p-5 { transform: translate(-50%, -50%) rotate(240deg) translate(120px) rotate(-240deg); }
    .p-6 { transform: translate(-50%, -50%) rotate(300deg) translate(120px) rotate(-300deg); }
}

@media (max-width: 480px) {
    .article-text-lead {
        font-size: 1.25rem;
    }
    
    .tit-xen-title {
        font-size: 1.6rem;
    }

    .digital-ecosystem {
        transform: scale(0.8);
    }
    
    .pillars-container {
        transform: scale(0.8);
    }

    .stats-circle {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .stats-flow-line {
        left: 40px;
    }
    
    .stats-number {
        font-size: 1.45rem;
    }
    
    .people-stat-grid {
        grid-template-columns: 1fr;
    }
}